https://www.webmd.com/ibd-crohns-disease/ulcerative-colitis/what-is-ulcerative-colitis
Ulcerative Colitis (UC): Symptoms, Causes, Diagnosis, Treatment
Oct 8, 2023 ... Ulcerative colitis (UC) is an inflammatory bowel disease that affects your large intestine, causing irritation, inflammation, and ulcers in ...